当代地质学家( )创建了一门新兴的地质学科——地质力学。
A．李四光 B．竺可桢 C．茅以升 D．钱学森
参考答案：A
—Would you like to go to the movie with us tonight?
—Sorry, but I'm afraid that I to go out tonight.[ ]
A. am allowed
B. don't allow
C. will allow
D. won't be allowed
抗链"O"抗体属于（）
A.IgM
B.IgG
C.IgD
D.IgA
E.IgE
